Windows Server Administrator - Day Shift
About The Position
Leidos is seeking a Windows Systems Administrator to support the Compartmented Enterprise Services Office (CESO) effort. The program is establishing a modern secure web service operation on a highly automated platform and assisting CESO with migration to a high-security cloud environment through network and communication services, monitoring, and system administration. The position is based in Arlington, Virginia, and is 100% on-site. The posting identifies a first shift of 6:00 a.m. to 2:00 p.m.; it also states that the candidate should be comfortable working 24×7 shifts, including nights, weekends, and holidays. The administrator will maintain Windows Server systems across physical and virtual infrastructure, support Microsoft infrastructure services and VMware, apply security controls, troubleshoot issues, and provide escalation-level support. The role also includes documentation, incident response, change management, infrastructure projects, backup and disaster recovery, and PowerShell automation where appropriate.
Requirements
- Bachelor's degree and 2+ years of overall related experience with a Windows servers environment; additional experience, education, and training may be considered in lieu of a degree.
- Active TS/SCI security clearance.
- DoD 8750 certification at least IAT Level II, such as Security+ CE.
- Comfort working 24×7 shifts, including nights, weekends, and holidays.
- Experience configuring, troubleshooting, and maintaining VMware environments.
- Experience with PowerShell scripting; experience in other languages such as Python.
- Experience applying security settings and commercial best practices such as DISA STIGs.
- Proficiency with Active Directory, DNS, DHCP, Group Policy, and Microsoft-based infrastructure services.
- Experience installing and configuring system hardware and applications.
- Strong troubleshooting and problem-solving skills.
Nice To Haves
- Prior experience with DISA and its support to mission partners.
- TS/SCI with CI Poly.
- Experience with AWS EC2 and S3.
- Thorough knowledge of networking principles, including TCP/IP.
- Experience with a ticketing system such as BMC Remedy.
- Linux OS experience.
Responsibilities
- Administer and maintain Windows Server environments across physical and virtual infrastructure.
- Manage Active Directory, DNS, DHCP, Group Policy, and Microsoft-based infrastructure services.
- Install, configure, upgrade, patch, and troubleshoot servers.
- Monitor server performance, availability, capacity, and system health.
- Manage user accounts, permissions, security groups, and access controls.
- Support virtualization platforms such as VMware.
- Implement and maintain server backup and disaster-recovery procedures.
- Troubleshoot operating-system, application, network, and server-related issues.
- Apply security updates, hardening standards, and vulnerability remediation.
- Maintain technical documentation, configuration records, and operational procedures.
- Participate in incident response, change management, and infrastructure projects.
- Automate routine administrative tasks using PowerShell where appropriate.
- Provide escalation-level support for Windows infrastructure issues.
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What This Job Offers
Job Type
Full-time
Career Level
Entry Level
